Merge pull request #294 from Cih2001/master

feat(table helpers): allow removing default table helpers

Author: kristijanhusak

README.md

@@ -189,6 +189,15 @@ let g:db_ui_table_helpers = {
 \ }
 ```
 
+Overriding a helper with an empty string will remove it.
+```vimL
+let g:db_ui_table_helpers = {
+\   'postgresql': {
+\     'List': ''
+\   }
+\ }
+```
+
 ### Auto execute query
 If this is set to `1`, opening any of the table helpers will also automatically execute the query.
 

autoload/db_ui/table_helpers.vim

@@ -221,5 +221,15 @@ function! db_ui#table_helpers#get(scheme) abort
     let result = extend(result, get(g:db_ui_table_helpers, s:scheme_map[a:scheme], {}))
   endif
 
+  for [key, value] in items(result)
+    if value == ''
+      call remove(result, key)
+    endif
+  endfor
+
+  if empty(result)
+    let result['List'] = ''
+  endif
+
   return result
 endfunction

doc/dadbod-ui.txt

@@ -476,6 +476,16 @@ defaults by passing in the matching helper name. To override `List`, do this:
 	\ 	}
  	\ }
 
+Overriding a default helper with an empty string will remove it:
+
+>
+ 	let g:db_ui_table_helpers = {
+	\ 	'postgresql': {
+	\ 		'List': ''
+	\ 	}
+ 	\ }
+
+
 Note that `{last_query}` will be empty if no queries were ran before opening
 that helper. Also, in the `EXPLAIN` example above, running the explain helper
 and then running it again for another table will print double `EXPLAIN ANALYZE`